Bioray Pharma LLC started its pigment business in 2004 as a distributor of Iron Oxide. B y acquiring Nanxing Chemical Factory, Bioray has become a manufacture and distributor of Iron oxide pigment, Lead chromate pigment, and Art green pigment product lines. These pigments are widely used in constructional materials (wall brick, ground brick, color tile, cement, et al.), dope, paint, plastic, and rubber.
Our Mission: To provide high quality products and services at lowest possible cost for the Pigment industry.
 
Bioray Nanxing Chemical Factory , which was founded in 1982, located in Hunan Province, China, is one of the largest producers of Iron Oxide and Lead chromate pigment in South China. The annual output is more than 6,000 Mt. There are 196 employees in the company, including 39 professional technicians. The company has a fixed asset of 15.2 million Yuan, and covers an area of 39,000 m 2 . The pigment products have been sold to more than 10 countries.
 
Main Products: For the 20 years since its foundation, the company has paid extraordinary attention to the quality of the products. Under the principle of "quality is first, customer is all", we have established a strict quality control system and implement name brand strategy. The product of iron oxide pigment with the brand of ¡°Huaxing¡± was awarded the honor of Gold medal in national "New product, new technique" exposition in 1998. We wish to build cooperation with customers from all over the world. The following lists several most popular products of our company. We also offer custom color to match your color requirements.
IRON OXIDE RED BRR101, BRR190, BRR111, BRR130, BRR110, BRR138, BRR139
IRON OXIDE YELLOW BRY313, BRRY313A
IRON PHTHALOCYANINE GREEN BRG726, BRG101, BRG102
IRON OXIDE BLACK BRB816, BROW BRB860
PEARL BLUE BRB090
LEAD CHROMATE YELLOW BRL313
ART GREEN BRG017, BRG016
Color Reference Card
Product Specification
Color Reference Card
Product Specification
IRON OXIDE RED BRR101, BRR190, BRR111, BRR130, BRR110, BRR138, BRR139
Properties: red powder, relative density 2.1-2.5. Insoluble in water or alcohol, and soluble in acid. Fineness. Dye fastness, cover capacity, light resistance and alkali resistance are excellent.
Uses: widely used in constructional materials (wall brick, ground brick, color tile, cement, et al.), dope, paint, plastic, and rubber.
Technical index
Item |
Index |
Appearance |
Red powder |
Iron content ( Fe 2 O 3 ) |
 95%
|
Volatile at 105 ¡æ |
 1.0%
|
Oil absorption 100g |
16-28 |
Dispersion |
Excellent |
Heat and light resistance |
Excellent |
Sieve residue (45nm) |
 0.4%
|
PH value of aqueous suspension |
5-7 |
IRON OXIDE YELLOW BRY313, BRRY313A
Properties: yellow powder, relative density 2.44-3.60. Melting point 350-440. Insoluble in water, alcohol, soluble in acid. Fineness. Dye fastness, cover capacity, light resistance, alkali resistance and heat resistance are excellent.
Uses: widely used in constructional materials (wall brick, ground brick, color tile, cement, et al.), dope, paint, plastic, and rubber.
Technical index
Item |
First grade |
Iron content ( Fe 2 O 3 ) |
 86%
|
Volatile at 105 ¡æ |
 1.0%
|
Soluble matter in water |
 0.5%
|
Sieve residue (45¦Ìm mesh) |
 0.4%
|
Acidity and alkalinity of aqueous extraction, mL |
 20
|
PH value of aqueous suspension |
3.5-7 |
Oil absorption 100g |
25-35 |
Chromate plumbum |
Negative |
Calcium content ( CaO) |
 0.3
|
Color (compared with standard color) |
Similar |
Relative tinting strength (compared to standard specimen) |
 100
|
Organic dye materials |
Negative |
IRON PHTHALOCYANINE GREEN BRG726, BRG101, BRG102
Properties: green powder, relative density 2.5-3.3. Fineness. Dye fastness, cover capacity, light resistance and alkali resistance are excellent.
Uses: widely used in constructional materials (wall brick, ground brick, color tile, cement, et al.), dope, plastic, rubber.
Technical index
Item |
Index |
Appearance |
Green powder |
Relative tinting strength |
Standard color  100 ¡À 5 |
Water |
 2%
|
Fineness |
320 mesh |
Lightfast |
6-7 grade |
Heat resistance |
120 ¡æ |
Alkali resistance |
5 grade |
Acid resistance |
3 grade |
IRON OXIDE BLACK BRB816, BROW BRB860
Properties: black powder, relative density 2.02-3.0. Insoluble in water, alcohol, soluble in acid. Fineness. Dye fastness, cover capacity, light resistance, alkali resistance and heat resistance are excellent.
Uses: widely used in constructional materials (wall brick, ground brick, color tile, cement, et al.), dope, paint, plastic, and rubber.
Technical index
Item |
First grade |
Iron content ( Fe 2 O 3 ) |
 92%
|
Volatile at 105 ¡æ |
 1.0%
|
Soluble matter in water |
 0.5%
|
Sieve residue (45¦Ìm mesh) |
 0.4%
|
Acidity and alkalinity of aqueous extraction, mL |
 20
|
PH value of aqueous suspension |
5-7 |
Oil absorption 100g |
15-25 |
Calcium content ( CaO) |
 0.3
|
Color (compared with standard color) |
Similar |
PEARL BLUE BRB090
Properties: pearl blue powder, tenderness and fineness, vivid, high dye fastness, light resistance excellent.
Uses: widely used in constructional materials (wall brick, ground brick, color tile, cement, et al.), dope, paint, plastic, and rubber.
Technical index
Item |
Index |
Appearance |
Blue powder |
Color (compared with standard color) |
Similar |
Relative tinting strength (to be compared to standard specimen) |
 95%
|
Soluble matter in water |
 1.0%
|
Water |
 1.0%
|
PH value of aqueous suspension |
5.5-7 |
Oil absorption |
25% |
Sieve residue (360 mesh) |
 0.5%
|
LEAD CHROMATE YELLOW BRL313
Properties: yellow powder, tenderness and fineness, vivid, high dye fastness, light resistance excellent.
Uses: widely used in paint, printing ink, dope, constructional material, plastic, rubber.
Technical index
Item |
Index |
Appearance |
Medium yellow powder |
Relative density |
5.58-6.04 |
Oil absorption% |
16-22 |
Cover capacity (g/m) |
 55
|
Solvent penetrability resistance |
Excellent |
Heat resistance |
4-8 |
Lightfast |
2-4 |
Dispersion |
Excellent |
ART GREEN BRG017, BRG016
Properties: emerald green powder, tenderness and fineness, vivid, high dye fastness, light resistance excellent.
Uses: widely used in paint, printing ink, dope, constructional material, plastic, rubber.
Technical index
Item |
Index |
Appearance |
Emerald green powder |
Color (compared with standard color) |
Similar |
Relative tinting strength (to be compared to standard specimen) |
 95%
|
Soluble matter in water |
 1.0%
|
Water |
 1.0%
|
PH value of aqueous suspension |
5.5-7 |
Oil absorption |
25% |
Sieve residue (360 mesh) |
 0.5%
|
|
